Metal Door Knob, Touch-screen Digital Door Lock for Keyless Entry, Electronic Door Lock with Spare KeysBullet Points: Two unlocking methods Smart door locks can be unlocked in two ways. One is to open the door with a passcode, which is very convenient for casual visitors, you can tell them the passcode and only need to change the password on the lock when you get home. Or you can open the door with a spare key. Easy to Install This smart door knob is very easy to install. Just need a screwdriver, it can quickly be finished just by following the steps
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Metal Door Knob, Touch-screen Digital Door Lock for Keyless Entry, Electronic Door Lock with Spare Keys